PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

344012Fuseholder,extractor Post

Littelfuse, Inc. · NSN 5920-00-837-9412 · FSC 5920 · No Item Name Available
Verified by PartsTable
NSN 5920-00-837-9412 — this item is cataloged by the U.S. Government under National Stock Number 5920-00-837-9412. Primary manufacturer part number: 344012.
Features
  • Fuseholder,extractor Post — FSC 5920
  • Mounting Hole Style: BUSHING MOUNTING
  • Fuse Terminal Type Accommodated: FERRULE
  • Overall Diameter: 0.938 INCHES NOMINAL IN
  • Body Style: BUSHING MOUNTED TYPE
  • Length From Front Protrusion to Mounting Surface: 0.312 INCHES NOMINAL IN
  • Interruption Indicator Method: INCANDESCENT LAMP
  • Accommodated Ferrule Diameter: 0.250 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy Contact construction
General Description

The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-837-9412, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Littelfuse, Inc.. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5920-00-837-9412
Primary Part Number344012
Item NameFuseholder,extractor Post
FSC / FSG5920 / 59 — No Item Name Available
ManufacturerLittelfuse, Inc.
StatusCANCELLED
Mounting Hole StyleBUSHING MOUNTING
Fuse Terminal Type AccommodatedFERRULE
Overall Diameter0.938 INCHES NOMINAL IN
Body StyleBUSHING MOUNTED TYPE
Length From Front Protrusion to Mounting Surface0.312 INCHES NOMINAL IN
Interruption Indicator MethodINCANDESCENT LAMP
Accommodated Ferrule Diameter0.250 INCHES NOMINAL IN
Flatted Side Bushing Hole Length0.567 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
Indicating Lamp Voltage Range in Volts+7.0 TO 16.0
Mounting Hole Quantity1
Bushing Hole Diameter0.627 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
Accommodated Fuse Length1.250 INCHES NOMINAL IN
Resistor Rating27.0 OHMS
Current Carrying Rating in Amps15.0
Bushing Diameter0.625 INCHES NOMINAL IN
Fuse Accommodation Quantity1
Surface TreatmentTIN TERMINAL
MaterialCOPPER ALLOY CONTACT
MaterialPLASTIC BODY
MaterialCOPPER ALLOY TERMINAL
Terminal Type and Quantity2 TAB, SOLDER LUG
Surface TreatmentTIN CONTACT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5905-00-001-739434-4012 INTERCHANGEABLE
Resistor,fixed,wire Wound
Fluke Corp
5998-01-473-7106314-0121 INTERCHANGEABLE
Circuit Card Assembly
Smar International Corporation
Cross-Reference Index
Part NumberManufacturer
344012 PRIMARY Littelfuse, Inc. (USA)
3140121 Itt Telecom Products Corp Network Systems Div (USA)
Related Parts
5905-00-001-7394INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
34-4012
5998-01-473-7106INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
314-0121

Frequently Asked Questions

What is NSN 5920-00-837-9412?

NSN 5920-00-837-9412 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5920-00-837-9412?

NSN 5920-00-837-9412 has 2 cross-referenced part numbers: 344012 (Littelfuse, Inc.), 3140121 (Itt Telecom Products Corp Network Systems Div).

What NSN replaces 5920-00-837-9412?

There are 2 known substitutes for 5920-00-837-9412: 5905-00-001-7394, 5998-01-473-7106. Verify interchangeability with system specifications before substitution.

What are the specifications of 344012?

Key specifications for 344012: Mounting Hole Style: BUSHING MOUNTING; Fuse Terminal Type Accommodated: FERRULE; Overall Diameter: 0.938 INCHES NOMINAL IN; Body Style: BUSHING MOUNTED TYPE. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5920-00-837-9412 still in active supply?

NSN 5920-00-837-9412 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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